Android still powers more than half of all smartphones sold in the U.S.

Market research firm comScore on Wednesday released the results of its latest survey that found Android is still the most popular mobile operating system in the United States by a wide margin. For the three-month period ending in June, the survey found that 234 million Americans ages 13 and older used mobile devices. Samsung (005930) was the top handset manufacturer with an overall market share of 25.6%, followed by LG (066570) with an 18.8% share of the market. Apple (AAPL) had a 15.4% market share, while Motorola and HTC (2498) controlled 11.7% and 6.4% of the market, respectively.

The survey also found that more than 110 million people in the U.S. owned smartphones. Google’s (GOOG) Android operating system remained the top mobile platform, accounting for 51.6% of smartphone subscribers, while Apple’s iOS captured 32.4% of the market and Research in Motion’s (RIMM) share fell to 10.7%. Rounding out the group was Microsoft’s (MSFT) Windows Phone operating system and Symbian with 3.8% and 0.9%, respectively. ComScore’s press release follows below.

RESTON, VA, August 1, 2012 – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released data from the comScore MobiLens service, reporting key trends in the U.S. mobile phone industry during the three month average period ending June 2012. The study surveyed more than 30,000 U.S. mobile subscribers and found Samsung to be the top handset manufacturer overall with 25.6 percent market share. Google Android continued to grow its share in the U.S. smartphone market, accounting for 51.6 percent of smartphone subscribers, while Apple captured 32.4 percent.

OEM Market Share

For the three-month average period ending in June, 234 million Americans age 13 and older used mobile devices. Device manufacturer Samsung ranked as the top OEM with 25.6 percent of U.S. mobile subscribers, followed by LG with 18.8 percent share. Apple continued to gain share in the OEM market, ranking third with 15.4 percent of mobile subscribers (up 1.4 percentage points), followed by Motorola with 11.7 percent and HTC with 6.4 percent (up 0.4 percentage points).

More than 110 million people in the U.S. owned smartphones during the three months ending in June, up 4 percent versus March. Google Android ranked as the top smartphone platform with 51.6 percent market share (up 0.6 percentage points), while Apple’s share increased 1.7 percentage points to 32.4 percent. RIM ranked third with 10.7 percent share, followed by Microsoft (3.8 percent) and Symbian (0.9 percent).

In June, 75.0 percent of U.S. mobile subscribers used text messaging on their mobile device (up 0.7 percentage points). Downloaded applications were used by 51.4 percent of subscribers (up 1.4 percentage points), while browsers were used by 50.2 percent (up 0.9 percentage points). Accessing of social networking sites or blogs increased 0.8 percentage points to 36.9 percent of mobile subscribers. Game-playing was done by 33.4 percent of the mobile audience (up 0.8 percentage points), while 27.6 percent listened to music on their phones (up 2.3 percentage points).